A/CC's Consolidated Risk Tables

Earth Impact Risk Ratings Posted in the Last 31 Days

Compiled at 1353 UTC on 18 June 2013

[ The Tracking News | ephemerides | cleared ]

Missing something? Check the archives for objects not under active observation or recent analysis.

Notes: The time horizon for JPL is 100 years from today and for NEODyS is usually the year 2090. Both risk monitors also post a few special objects with impact solutions beyond 100 years. For the latest official risk assessments, and for explanations of terminology and methodology, see the JPL NEO Program Sentry and NEODyS CLOMON2 risk pages.
0000NNN000

Object

Risk
Monitor
 A/CC  Noted 
 Time & Day 
UTC
0000T0000
Year
Range

VI
#
000NN00
Prob
Cum
T0000
PS
Cum
T0000
PS
Max

T
S


Notes for Latest Risk Assessments
2013 LZ28NEODyS1353 June 182060-209841.08e-06-4.56-4.580Based on 49 optical observations (of which 3 are rejected as outliers) from 2013-06-13.254 to 2013-06-17.333.
JPL Sentry1353 June 18206029.0e-07-4.63-4.660Analysis based on 47 observations spanning 4.0781 days (2013-Jun-13.25363 to 2013-Jun-17.33176). Diameter approximately 0.110 km. from mean, weighted H=22.4.
Assessment postings were noted by A/CC on 15 June, 16 June, 17 June & 18 June   -   References: MPEC 2013-L74 plus DOUs 2013-M04 & 2013-M18
2013 LG16NEODyS1353 June 182050-205232.63e-06-2.85-3.110Based on 35 optical observations (of which 0 are rejected as outliers) from 2013-06-07.414 to 2013-06-17.378.
JPL Sentry1353 June 182050-2111221.2e-06-3.23-3.240Analysis based on 35 observations spanning 9.9635 days (2013-Jun-07.41346 to 2013-Jun-17.37691). Diameter approximately 0.440 km. from mean, weighted H=19.4.
Assessment postings were noted by A/CC on 12 June, 13 June, 15 June & 18 June   -   References: MPEC 2013-L50 plus DOUs 2013-L59, 2013-L62, 2013-L68 & 2013-M18
2013 JA17JPL Sentry1900 May 272054-211163.8e-09-5.69-6.090Analysis based on 13 observations spanning 3.9520 days (2013-May-08.43448 to 2013-May-12.38647). Diameter approximately 0.518 km. from mean, weighted H=19.1.
An assessment posting was noted by A/CC on 27 May   -   References: no MPECs
2013 BR27NEODyS1452 June 142067-2110512.99e-05-6.04-6.410Based on 21 optical observations (of which 0 are rejected as outliers) from 2013-01-20.391 to 2013-02-01.545.
JPL Sentry1452 June 142073-2106362.6e-05-6.10-6.490Analysis based on 21 observations spanning 12.153 days (2013-Jan-20.39041 to 2013-Feb-01.543753). Diameter approximately 0.010 km. from mean, weighted H=27.7.
Assessment postings were noted by A/CC on 14 June   -   References: DOU 2013-L66
2013 BL18NEODyS1452 June 142070-209281.86e-05-5.29-5.460Based on 28 optical observations (of which 1 are rejected as outliers) from 2013-01-17.285 to 2013-02-01.568.
JPL Sentry1452 June 142070-209251.2e-05-5.47-5.690Analysis based on 28 observations spanning 15.283 days (2013-Jan-17.28384 to 2013-Feb-01.567256). Diameter approximately 0.022 km. from mean, weighted H=26.0.
Assessment postings were noted by A/CC on 14 June   -   References: DOU 2013-L66
C   L   E   A   R   E   D
2013 LT28JPL Sentry1452 June 14R E M O V E DRisk listing removed at 1031 UTC 14 June
Assessment postings were noted by A/CC on 13 June & 14 June   -   References: MPEC 2013-L63 plus DOUs 2013-L66, 2013-L68 & 2013-M01
2013 LH16JPL Sentry1452 June 14R E M O V E DRisk listing removed at 1032 UTC 14 June
Assessment postings were noted by A/CC on 10 June, 11 June, 12 June, 13 June & 14 June   -   References: MPEC 2013-L51 plus DOUs 2013-L54, 2013-L59, 2013-L62, 2013-L66, 2013-L68, 2013-M01 & 2013-M18
2013 LE16JPL Sentry1452 June 14R E M O V E DRisk listing removed at 1030 UTC 14 June
NEODyS1347 June 13R E M O V E D
Assessment postings were noted by A/CC on 10 June, 11 June, 12 June, 13 June & 14 June   -   References: MPEC 2013-L48 plus DOUs 2013-L54, 2013-L59, 2013-L62, 2013-L66 & 2013-L68
2013 LC1NEODyS1404 June 6R E M O V E D
JPL Sentry1404 June 6R E M O V E DRisk listing removed at 0955 UTC 6 June
Assessment postings were noted by A/CC on 5 June & 6 June   -   References: MPEC 2013-L15 plus DOUs 2013-L20, 2013-L28, 2013-L31, 2013-L37, 2013-L42, 2013-L44, 2013-L66 & 2013-M01
2013 LBJPL Sentry1259 June 4R E M O V E DRisk listing removed at 0955 UTC 4 June
NEODyS1259 June 4R E M O V E D
Assessment postings were noted by A/CC on 2 June, 3 June & 4 June   -   References: MPEC 2013-L08 plus DOUs 2013-L12, 2013-L20, 2013-L28, 2013-L37, 2013-L42, 2013-L44 & 2013-M18
2013 KG6JPL Sentry1409 June 2R E M O V E DRisk listing removed at 1150 UTC 2 June
Assessment postings were noted by A/CC on 31 May & 2 June   -   References: MPEC 2013-K50 plus DOU 2013-L02
2013 JD34NEODyS1812 May 22R E M O V E D
JPL Sentry1341 May 22R E M O V E DRisk listing removed at 0951 UTC 22 May
Assessment postings were noted by A/CC on 18 May & 22 May   -   References: DOU 2013-K33
2013 JR28NEODyS1333 May 18R E M O V E D
JPL Sentry1333 May 18R E M O V E DRisk listing removed at 0950 UTC 18 May
Assessment postings were noted by A/CC on 18 May   -   References: DOUs 2013-K12, 2013-K32, 2013-K33, 2013-K45, 2013-K48, 2013-L12, 2013-L20, 2013-L28, 2013-L31, 2013-L37, 2013-L42, 2013-L44, 2013-L54, 2013-L59, 2013-L62, 2013-L66, 2013-L68, 2013-M01 & 2013-M04, radar: 17 June
2013 JM22JPL Sentry2008 May 20R E M O V E DRisk listing removed at 1955 UTC 20 May
An assessment posting was noted by A/CC on 20 May   -   References: DOUs 2013-K12 & 2013-K32
2013 JS17NEODyS1333 May 18R E M O V E D
JPL Sentry1333 May 18R E M O V E DRisk listing removed at 0951 UTC 18 May
Assessment postings were noted by A/CC on 18 May   -   References: DOUs 2013-K12 & 2013-K33
2011 BT15NEODyS1353 June 18R E M O V E D
JPL Sentry2359 June 17R E M O V E DRisk listing removed at 2356 UTC 17 June
Assessment postings were noted by A/CC on 17 June & 18 June   -   References: MPEC 2013-M09 plus DOU 2013-M18

Legend: VI# = VI count, Prob Cum = cumulative probability, PS Cum/Max = cumulative/maximum Palermo Scale, TS = Torino Scale

For a list of risk-rated objects currently under observation, see our ephemerides page.

An impact solution, also known as a "virtual impactor" (VI), is not a prediction but rather a possibility derived from a variant orbit calculation that cannot be eliminated yet based on the existing data. Elimination can come quickly with just a little further observation or may take weeks or months, sometimes years. Once superceded or eliminated, a former impact solution has zero relevance to an object's risk. See Jon Giorgini's "Understanding Risk Pages" for more information.


http://www.HohmannTransfer.com/crt.htm
Publisher information, privacy statement, and disclaimer.
Please report broken links or other problems with this page to <webmaster@hohmanntransfer.com>.
The data and tabular formats on this page are acknowledged as belonging to JPL and NEODyS.
This page is © Copyright 2003-2012 Columbine of Maine - All Rights Reserved
Do NOT copy or mirror this page, but please do link to it. All information here is subject to very frequent (and sometimes critically important) change.
Individuals may make "snapshot" copies for their own private non-commercial use.
CRT updates are flagged by A/CC's RSS news feed (link)